HighlightsBowel obstruction is one of the principal non-traumatic causes of general surgery emergencies, both in Brazil and worldwide.The progression of bowel obstruction, particularly when the ileocecal valve is competent, may result in excessive dilatation of the cecum.A syndromic diagnosis of bowel obstruction was made, and the patient was referred for CT.The estimates of the Brazilian National Cancer Institute (INCA) for this country in 2016 were around 16,660 new cases in men and 17,620 in women.Colorectal cancer is one of the most common forms of cancer in the elderly, perforation of the cecum occurs in only around 3–8% of cases.
Morphol., 34(4):1328Morphol., 34(4): -1332Morphol., 34(4): , 2016.
SUMMARY:The foramen venosum (FV) is an anatomical structure situated at the base of the skull, generally posteromedial to the foramen rotundum and anteromedial to the foramen ovale. Its prevalence and patency may be related to the shape of the skull. The objective of this study was to verify the prevalence and patency of the FV and its association with the different skull types. Overall, 143 dry skulls were screened. Of these, 84 were considered to be in an adequate state of conservation and were included in the analysis, which was conducted through a cross-sectional view of the skullcap. The transverse (T) and anteroposterior (AP) diameters of the skull were evaluated by pachymetry and the skull type was classified according to the cephalic index (CI) (CI = T/ AP x 100). The presence and patency of the FV were evaluated. Overall, 25 % of the skulls were dolichocephalic, 21.4 % subdolichocephalic, 26.2 % mesaticephalic, 16.7 % sub-brachycephalic and 10.7 % brachycephalic. Overall, the FV was found in 41.6 % of the skulls (n=35), with this prevalence being greater in the mesaticephalic skulls (50 %; n=11). Patency was 25 % (n=21). A positive correlation was found between the CI and the presence of the FV in dolichocephalic skulls (on the right-hand side only) and in sub-brachycephalic skulls (bilaterally). In conclusion, the prevalence of the FV was considerable in the sample analyzed and was directly associated with the CI in dolichocephalic and sub-brachycephalic skulls.
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